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Impurity standards

Leading impurity characterization with expertly developed standards that strengthen quality, compliance, and analytical confidence.

Impurity Standards

4-(3-Formyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)benzonitrile

CAT. No.C1940025 CAS No.2141947-89-7 Mol. F.C20H20BNO4 Mol. W.349.19 g/mol Stock Status Instock

COA MSDS

4-(4-(bis((S)-3-amino-2-hydroxypropyl)amino)phenyl)morpholin-3-one dihydrochloride

CAT. No.R290166 CAS No.NA Mol. F.C16H28Cl2N4O4 Mol. W.411.32 g/mol Stock Status Instock

COA MSDS

4-(4-Bromo-3-formylphenoxy)benzonitrile

CAT. No.C1940023 CAS No.906673-54-9 Mol. F.C14H8BrNO2 Mol. W.302.12 g/mol Stock Status Instock

COA MSDS

4-(4-chlorophenyl)-1-(1H-imidazol-1-yl)-2-butanol mononitrate

CAT. No.B300001 CAS No.67085-12-5 Mol. F.C13H14Cl2N2 Mol. W.269.17 g/mol Stock Status Instock

COA MSDS

4-(4-Chlorophenyl)-1-(1H-imidazol-1-yl)butan-2-ol

CAT. No.B300002 CAS No.67085-11-4 Mol. F.C13H15ClN2O Mol. W.250.72 g/mol Stock Status Instock

COA MSDS

4-(4-Chlorophenyl)cyclohexanecarboxylic Acid

CAT. No.A810012 CAS No.95233-37-7 Mol. F.C13H15ClO2 Mol. W.238.71 g/mol Stock Status Instock

COA MSDS

4-(4-Methoxyphenyl)-2-butanone

CAT. No.D460006 CAS No.104-20-1 Mol. F.C11H14O2 Mol. W.178.23 g/mol Stock Status Instock

COA MSDS

4-(4-nitrosopiperazin-1-yl)Phenol

CAT. No.K070031 CAS No.NA Mol. F.C10H13N3O2 Mol. W.207.23 g/mol Stock Status Instock

COA MSDS

4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-ol

CAT. No.R040046 CAS No.NA Mol. F.C12H13FN2O2 Mol. W.236.24 g/mol Stock Status Instock

COA MSDS

4-(Acetylamino)-5-amino-3-isopropoxy-1-cyclohex-1-ene carboxylic Acid Ethyl Ester Phosphate

CAT. No.O120030 CAS No.NA Mol. F.C14H27N2O8P Mol. W.382.35 g/mol Stock Status Instock

COA MSDS

4-(Aminomethyl)-1,3-dioxolan-2-one Hydrochloride

CAT. No.R290186 CAS No.2329209-83-6 Mol. F.C4H7NO3.HCl Mol. W.153.56 g/mol Stock Status Instock

COA MSDS

4-(Diethylamino)-2-butyn-1-ol

CAT. No.O090015 CAS No.10575-25-4 Mol. F.C8H15NO Mol. W.141.21 g/mol Stock Status Instock

COA MSDS

4-(Trifluoromethoxy)benzenamine

CAT. No.R420003 CAS No.461-82-5 Mol. F.C7H6F3NO Mol. W.177.13 g/mol Stock Status Instock

COA MSDS

4-5-Dichloroquinoline

CAT. No.A240003 CAS No.21617-18-5 Mol. F.C9H5Cl2N Mol. W.198.05 g/ mol Stock Status Instock

COA MSDS

4-Acetamido Antipyrine

CAT. No.M330001 CAS No.83-15-8 Mol. F.C13H15N3O2 Mol. W.245.28 g/mol Stock Status Instock

COA MSDS

4-Acetamidophenyl beta-D-Glucuronide Sodium Salt

CAT. No.P030018 CAS No.120595-80-4 Mol. F.C14H16NNaO8 Mol. W.349.27 g/mol Stock Status Instock

COA MSDS

4-Acetaminophen Sulfate Potassium Salt

CAT. No.P030019 CAS No.32113-41-0 Mol. F.C8H8KNO5S Mol. W.269.32 g/mol Stock Status Instock

COA MSDS

4-Amino-1,2,4-triazole

CAT. No.A100020 CAS No.584-13-4 Mol. F.C2H4N4 Mol. W.84.08 g/mol Stock Status Instock

COA MSDS

4-Amino-2-chloro-5-fluoropyrimidine

CAT. No.F340003 CAS No.155-10-2 Mol. F.C4H3ClFN3 Mol. W.147.54 g/mol Stock Status Instock

COA MSDS

4-amino-2-chlorobenzenesulfonamide

CAT. No.H010009 CAS No.1954-94-5 Mol. F.C6H7ClN2O2S Mol. W.206.65g/mol Stock Status Instock

COA MSDS

4-Amino-2-fluoro-N-methylbenzamide

CAT. No.E430009 CAS No.915087-25-1 Mol. F.C8H9FN2O Mol. W.168.17 g/mol Stock Status Instock

COA MSDS

4-Amino-3-chloropyridine

CAT. No.R280017 CAS No.19798-77-7 Mol. F.C5H5ClN2 Mol. W.128.56 g/mol Stock Status Instock

COA MSDS

4-Amino-3-Hydroxypyridine

CAT. No.D190004 CAS No.52334-53-9 Mol. F.C5H6N2O Mol. W.110.11 g/mol Stock Status Instock

COA MSDS

4-amino-4`-Chloro Diphenyl sulphone

CAT. No.D570005 CAS No.7146-68-1 Mol. F.C12H10ClNO2S Mol. W.267.70 g/mol Stock Status Instock

COA MSDS

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Impurity standards

Impurity Standards

4-(3-Formyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)benzonitrile

4-(4-(bis((S)-3-amino-2-hydroxypropyl)amino)phenyl)morpholin-3-one dihydrochloride

4-(4-Bromo-3-formylphenoxy)benzonitrile

4-(4-chlorophenyl)-1-(1H-imidazol-1-yl)-2-butanol mononitrate

4-(4-Chlorophenyl)-1-(1H-imidazol-1-yl)butan-2-ol

4-(4-Chlorophenyl)cyclohexanecarboxylic Acid

4-(4-Methoxyphenyl)-2-butanone

4-(4-nitrosopiperazin-1-yl)Phenol

4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-ol

4-(Acetylamino)-5-amino-3-isopropoxy-1-cyclohex-1-ene carboxylic Acid Ethyl Ester Phosphate

4-(Aminomethyl)-1,3-dioxolan-2-one Hydrochloride

4-(Diethylamino)-2-butyn-1-ol

4-(Trifluoromethoxy)benzenamine

4-5-Dichloroquinoline

4-Acetamido Antipyrine

4-Acetamidophenyl beta-D-Glucuronide Sodium Salt

4-Acetaminophen Sulfate Potassium Salt

4-Amino-1,2,4-triazole

4-Amino-2-chloro-5-fluoropyrimidine

4-amino-2-chlorobenzenesulfonamide

4-Amino-2-fluoro-N-methylbenzamide

4-Amino-3-chloropyridine

4-Amino-3-Hydroxypyridine

4-amino-4`-Chloro Diphenyl sulphone

Product structure

Sample structure